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【单选题】
● 以下关于硬件抽象层的论述，不合适的是 （53） 。 （53）A.
采用硬件抽象层可以大大提高系统的移植性
B.
采用硬件抽象层可以大大提高系统的运行效率
C.
采用硬件抽象层可以缩短系统的测试周期
D.
采用硬件抽象层有助于提高系统的可靠性
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【单选题】What a shame for me when someone standing next to me heard a flute and I heard nothing _____. [ ]
A.
at a distance
B.
about the distance
C.
on the distance
D.
to the distance
【简答题】A: I once heard someone shout, “Look out.” I put my heard out of the window and a bucketful water fell on me. It seems that “Look out” may mean “Don’t look out”. B: I was once on a ship and heard the ...
【简答题】当15号车钩处于闭锁状态时，应（）。
【单选题】What a shame for me when someone next to me heard a flute in the distance and I heard nothing .
A.
stood
B.
to stand
C.
stand
D.
standing
【简答题】阅读理解 A: I once heard someone shout, 'Look out.' I pu t my heard out of the window and a bucketful water fell on me. It seems that 'Look out' may mean 'Don't look out'. B: I was once on a ship and hear...
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